Investigation the Substitution Capability of Oilseeds in Cropping Pattern (Report‪)‬

INTRODUCTION Farm activity is risky activities special in less developed countries, so all decisions and activities are affected by this phenomenon. Farmers prefer plans that have more confident earning even if they have less income. Achieving to agricultural development goals is possible in condition to be proper policies and programs in agricultural sector and natural resources. It depends on the knowledge of manager about reaction of farmers. Due to the result of agricultural plans determine in future and it faces to uncertainty so, the programs have to consider this condition. Ignoring of risk and risky manner of farmers cause to the result of models has less conformity to reality. In such models, supply of risky crops and price of productive resources are (3). Therefore, considering the risk, help to elimination of deviations in result of model or preparing tools for evolution of some policies that the aim of them is reducing the (10).